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arXiv 1107.1955math.AP
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近平行涡丝对称位形的整体存在性和碰撞

Global existence and collisions for symmetric configurations of nearly parallel vortex filaments

Valeria Banica, Evelyne Miot

摘要:

我们考虑由R. Klein,A. Majda和K. Damodaran [18]对三维均匀不可压缩流体中N个几乎平行的涡丝的动力学进行建模。已知的大时间存在性结果是由于C.凯尼格湾Ponce和L.织女星[17]和关注的相互作用的两个灯丝和特定的配置的三个灯丝。在这篇文章中,我们证明了大的时间存在性结果的特殊配置的四个几乎平行的细丝和一类配置的N个几乎平行的细丝,任何N \geq 2。我们还证明了行波型动力学的存在。最后,我们描述的配置导致碰撞。

英文摘要:

We consider the Schrödinger system with Newton-type interactions that was derived by R. Klein, A. Majda and K. Damodaran [18] to modelize the dynamics of N nearly parallel vortex filaments in a 3-dimensional homogeneous incompressible uid. The known large time existence results are due to C. Kenig, G. Ponce and L. Vega [17] and concern the interaction of two filaments and particular configurations of three filaments. In this article we prove large time existence results for particular configurations of four nearly parallel filaments and for a class of configurations of N nearly parallel filaments for any N\geq 2. We also show the existence of travelling wave type dynamics. Finally we describe configurations leading to collision.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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